April weather forecastDevinuwara, Sri Lanka
April
Weather in April
April, the same as March, in Devinuwara, Sri Lanka, is another hot spring month, with an average temperature varying between 31.1°C (88°F) and 25.3°C (77.5°F).Temperature
March and April mark Devinuwara's peak of temperatures, averaging a high-temperature of 31.1°C (88°F).Heat index
For April, the heat index is appraised at a blisteringly hot 41°C (105.8°F). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.Research indicates the heat index considers values in shaded locales and with light winds. A rise in the heat index by 15 Fahrenheit (8 Celsius) degrees may result from direct sunlight exposure.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is a single figure representing how weather conditions feel when combining temperature and humidity. The individual's temperature perception can be influenced by numerous factors such as metabolic variations, physical activity, and clothing. Given the impact of direct sunlight, it's noteworthy that the felt temperature can rise by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.
One of the main methods the human body employs to cool down is by perspiring, as this process allows sweat to evaporate and remove excess heat. An increase in relative humidity disrupts body cooling by slowing the evaporation rate, thereby reducing the rate at which the body cools and amplifying the sense of heat. When body heat isn't effectively managed, risks of dehydration and overheating amplify.
Humidity
In April, the average relative humidity is 79%.Rainfall
In Devinuwara, in April, it is raining for 19.7 days, with typically 46mm (1.81") of accumulated precipitation. Throughout the year, there are 180 rainfall days, and 509mm (20.04") of precipitation is accumulated.Daylight
The average length of the day in April is 12h and 15min.On the first day of April, sunrise is at 06:06 and sunset at 18:16. On the last day of the month, sunrise is at 05:54 and sunset at 18:14 +0530.
Sunshine
With an average of 9.7h of sunshine, April has the most sunshine of the year.UV index
January through December, with an average maximum UV index of 7, are months with the highest UV index in Devinuwara. The months with the lowest UV index are January through December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: In April, the maximum UV index of 7 transforms into these recommendations:
Persist in precautions and follow sun safety policies. Keeping sunburn at bay is imperative. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Devinuwara, Sri Lanka
- Average high temperature in April: 31.1°C
The warmest months (with the highest average high temperature) are March and April (31.1°C).
The month with the lowest average high temperature is September (29.1°C).
- Average low temperature in April: 25.3°C
The month with the highest average low temperature is May (26.3°C).
The coldest month (with the lowest average low temperature) is January (23°C).
Average pressure in April
Devinuwara, Sri Lanka
- Average pressure in April: 1009.9mbar
The month with the highest atmospheric pressure is January (1011.4mbar).
The month with the lowest atmospheric pressure is May (1008.9mbar).
Average wind speed in April
Devinuwara, Sri Lanka
- Average wind speed in April: 9.4km/h
The windiest month (with the highest average wind speed) is July (18.9km/h).
The calmest month (with the lowest average wind speed) is January (9km/h).
Average humidity in April
Devinuwara, Sri Lanka
- Average humidity in April: 79%
The months with the highest relative humidity are May, September and November (81%).
The months with the lowest relative humidity are January and February (77%).
Average rainfall in April
Devinuwara, Sri Lanka
- Average rainfall in April: 46mm
The wettest month (with the highest rainfall) is November (66mm).
The driest month (with the least rainfall) is January (22mm).
Average rainfall days in April
Devinuwara, Sri Lanka
- Average rainfall days in April: 19.7 days
The month with the highest number of rainy days is November (19.8 days).
The month with the least rainy days is June (10.7 days).
Average daylight in April /
Average sunshine in April
Devinuwara, Sri Lanka
- Average daylight in April: 12h and 18min
The month with the longest days is June (Average daylight: 12h and 30min).
The month with the shortest days is December (Average daylight: 11h and 48min).
- Average sunshine in April: 9h and 42min
The month with the most sunshine is April (Average sunshine: 9h and 42min).
The month with the least sunshine is December (Average sunshine: 6h and 54min).
Average sunshine days in April
Devinuwara, Sri Lanka
- Average sunshine days in April: 8.3 days
The month with the most sunshine days is July (17.8 days).
The month with the least sunshine days is November (7.8 days).
Average UV index in April
Devinuwara, Sri Lanka
- Average UV index in April: 7
The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
Average cloud cover in April
Devinuwara, Sri Lanka
- Average cloud cover in April: 35
The month with the most cloud cover is June (Cloud cover 53).
The month with the least cloud cover is February (Cloud cover 26).
Average visibility in April
Devinuwara, Sri Lanka
- Average visibility in April: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
